/*
 * Copyright (c) 2020 - present, Inspur Genersoft Co., Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.iec.edp.caf.data.jdbc.handler;

import java.sql.ResultSet;
import java.sql.SQLException;

/**
 * 列处理器
 *
 * @author wubo
 */
public interface ColumnHandler {

    /**
     * 是否支持该类型处理
     *
     * @param type type
     * @return true is supported
     */
    boolean supported(Class<?> type);

    /**
     * 获取转换数据
     *
     * @param rs    结果集
     * @param index 下标
     * @return 数据
     * @throws SQLException sql异常
     */
    Object fetch(ResultSet rs, int index) throws SQLException;
}
